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How to Set Up an ATM10 Aeronautics Server (Minecraft 1.21.1)

A complete setup guide for ATM10 Aeronautics on Minecraft 1.21.1: obtain the correct NeoForge server pack, launch it on Windows or Linux, configure networking, deploy to a host and update without losing your world.
Length9 min Posted Quest giverVGSources Team
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The reliable way to host All the Mods 10 Aeronautics is to use the release-specific server archive from CurseForge, run its supplied NeoForge start script with the Java version required by that release, accept the EULA after the first launch, and have every player install the identical pack version. ATM10 Aeronautics currently targets Minecraft 1.21.1 and NeoForge; the project page lists release 0.7.1, updated September 30, 2026.

What ATM10 Aeronautics requires

ATM10 Aeronautics (also written ATM10A or ATM10AERO) is an ATM10 variant published by ATMTeam. It adds custom items, pipes, balance changes, power-system overhauls and changed world generation. Aeronautics features are optional for players, but the server still has to load the complete pack. CurseForge lists the project for Minecraft 1.21.1 with the NeoForge loader. The official GitHub repository identifies itself as the repository and issue tracker for “All The Mods 10 – Aeronautics 1.21.1.”

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The project page showed 186,762 downloads when this guide was prepared. That number is a download count, not a supported player-count claim or a performance benchmark.

Hardware and software checklist

  • Operating system: Windows or a Linux distribution with a writable server directory.
  • Memory: allocate at least 6 GB of RAM, the baseline stated in the official All The Guides server documentation for most ATM packs. This is not a tested maximum-player recommendation.
  • Java: install the Java build required by the exact ATM10 Aeronautics release you selected. Do not assume that the Java used by another modpack is suitable. Verify the runtime with java -version and make sure the start script uses that same installation.
  • Storage: leave room for the extracted pack, NeoForge libraries, logs, configuration files and the generated world. A fast SSD reduces load and save delays, although no official capacity or benchmark is specified.
  • Network: a reachable listening port for outside players, or the connection details supplied by your hosting provider.

On Linux, use a normal home-directory location and ensure the account running the server can read and write it. On Windows, avoid OneDrive and other cloud-synchronized folders; synchronization can remove, lock or corrupt files while the server is running.

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Download the matching server pack

  1. Open the ATM10 Aeronautics project on CurseForge.
  2. Select Files, then open the exact release your players will install.
  3. In that release’s Additional Files section, download its server pack. Do not copy the files from a client installation.
  4. Create a dedicated folder such as C:MinecraftATM10AERO-0.7.1 on Windows or ~/servers/atm10aero-0.7.1 on Linux.
  5. Extract the downloaded archive into that folder. The archive is commonly named Server-Files.zip; the release-specific artifact is separate from the client download. For example, an earlier 1.21.1/NeoForge release supplied server-0.5.1.zip on August 27, 2026.

Keep the client and server release numbers identical. A 0.7.1 client should join a 0.7.1 server, not an older 0.5.1 installation. Matching Minecraft 1.21.1, NeoForge and pack configuration is required as well.

First launch on Windows

  1. Open the extracted server folder in File Explorer.
  2. Double-click startserver.bat. If Windows displays a security prompt, allow the script only if you obtained the archive from the official release page.
  3. Leave the installer running while it downloads or generates libraries and configuration files. Closing the window during this stage can leave an incomplete installation.
  4. When the process stops or reports that the EULA must be accepted, open the newly created eula.txt.
  5. Change eula=false to eula=true, save the file and close it.
  6. Run startserver.bat again. Wait for the console to report that the dedicated server has finished loading before attempting a connection.

The first run is an installation step as well as a launch. Expect it to create folders such as libraries, config, defaultconfigs, mods, kubejs, world and world/serverconfigs.

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First launch on Linux

  1. Open a terminal and change to the server directory, for example cd ~/servers/atm10aero-0.7.1.
  2. Grant execute permission to the supplied script once: chmod +x startserver.sh. If the directory is owned by another account, correct ownership or permissions rather than running the server as root.
  3. Start the installer with ./startserver.sh and allow it to finish creating libraries and configuration files.
  4. Edit the generated EULA file with a text editor, for example nano eula.txt, and set eula=true.
  5. Start the script again with ./startserver.sh. Keep the terminal or a service manager attached so you can read the console while testing.

The same rule applies on Linux as on Windows: do not interrupt the first installer run. A partially generated library set often causes misleading errors on the next attempt.

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Make the basic server configuration

Use server.properties conservatively

After one successful launch, stop the server cleanly and review server.properties. This is where you set the world name, difficulty, game mode, view distance, simulation distance and access controls such as the whitelist. Change one setting at a time and retain a copy of the file before major edits.

Leave server-ip blank unless your network design specifically requires a bind address. The official guide warns that editing server-ip can prevent the server from starting. Normally the server binds to the host’s available interfaces, while players connect to the machine’s address or the provider’s assigned hostname. Use the host’s normal port unless you have a documented reason to change server-port; if you do change it, open the same port in the operating-system firewall and router.

Understand the pack configuration folders

  • config contains server-side and common mod configuration supplied by the pack.
  • defaultconfigs supplies defaults used when worlds or dimensions are created.
  • world/serverconfigs contains configuration specific to the generated world.
  • kubejs may contain scripts and data that define pack recipes or behavior.

Do not edit these directories until the unmodified server has started successfully. Record every intentional change in a dated text file so you can reproduce it after a pack update. Never replace a working world with a newly generated one merely to apply a configuration change.

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Let players connect safely

Every player must launch the same ATM10 Aeronautics release for Minecraft 1.21.1 and NeoForge. A client with a different mod list, loader build or configuration can fail during the handshake even when the server is online.

For a home server, players on the same network can usually connect with the host computer’s local address. Internet players need the host’s public address or a DNS name, router port forwarding to the server machine, and a firewall rule allowing the chosen TCP port. Do not publish a private address or expose administrative services. If your internet provider uses carrier-grade NAT, ordinary port forwarding may not work; a hosted server or a VPN-based private network is then a practical alternative.

On first connection, use the server console to grant administrative privileges only to trusted accounts. Enable a whitelist when the server is private, and test a normal player account before inviting others.

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Deploy ATM10 Aeronautics with a hosting provider

A managed host is simpler when you do not want to maintain Java, firewall rules, backups and an always-on computer. The technical requirements do not change: the host must support Minecraft 1.21.1, NeoForge and your exact Aeronautics release, and it must provide enough allocated memory.

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One-click modpack installation

  1. Choose the provider’s NeoForge or modpack installer.
  2. Select the exact ATM10 Aeronautics release rather than a similarly named ATM10 pack.
  3. Confirm the selected Minecraft and NeoForge versions in the control panel.
  4. Set memory to at least 6 GB allocated, then start the server once.
  5. Review the console, accept the EULA through the provider’s file editor if prompted, and start again.

Manual upload

If no Aeronautics installer exists, create a NeoForge server using the version required by the pack, then upload the extracted server files through FTP/SFTP or the provider’s file manager. Some panels require a custom-jar or ServerStarter entry point; in that case, follow the panel’s documented filename and startup arguments. Upload the pack’s files as a complete set instead of mixing them with an unrelated modpack installation.

Before paying, verify current support for the release, archive extraction or FTP/SFTP access, scheduled backups, console access, file restoration and the provider’s update procedure. Provider prices, player limits and affiliate terms are not established here and must be checked on the provider’s current product page.

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Choose local or hosted operation

Decision point Local computer Managed host
Cost No recurring hosting bill, but you supply the computer, electricity and network. Recurring fee; exact prices depend on provider, region and memory allocation.
Java and NeoForge control Full control over Java builds, scripts and NeoForge files. Control depends on the panel; confirm that the required versions can be selected.
RAM and CPU Limited by your machine; at least 6 GB should be allocated to the server. Choose a plan with at least 6 GB allocated and confirm whether CPU resources are shared.
Storage and backups You must provide disk space and create off-machine backups yourself. Some plans include snapshots or scheduled backups; retention and restore fees vary.
File access Direct access to every file and log. Require FTP/SFTP or a capable file manager for manual pack uploads and edits.
Latency Best for players near your home connection, subject to upload bandwidth. Pick a region close to most players; geographic distance affects latency.
Updates You control the exact release and can test it before opening the server. Confirm that the panel can update to the exact Aeronautics release without overwriting the world.

No official source supplies a CPU benchmark, RAM-per-player table or guaranteed concurrent-player count. Treat the 6 GB figure as a starting allocation, monitor the console and operating-system memory use, and increase resources only when measurements show a need.

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Update without losing the world

  1. Announce maintenance and stop the server normally so pending chunks and player data are saved.
  2. Copy the entire world directory to storage outside the live server folder. Label the backup with the old pack version and date.
  3. Download the new release’s server pack and compare its Minecraft, NeoForge and pack versions with your intended client update.
  4. Replace pack-managed directories with the new copies as directed by the official update workflow: kubejs, defaultconfigs, mods and config.
  5. If the NeoForge version changes, replace the libraries directory and the new start scripts or installer as well.
  6. Preserve custom configuration deliberately. Do not blindly overwrite server.properties, world/serverconfigs or personal scripts; merge changes and document them.
  7. Start the updated server while players remain offline. Inspect the complete log for missing mods, registry errors, data-fix warnings and repeated crashes.
  8. Only after a clean test should you permit players to connect. Keep the backup until the new version has been stable.

Troubleshooting common failures

There is no startserver.bat or startserver.sh

You may have downloaded a client archive or an incomplete extraction. If the supplied NeoForge installer is present, run java -jar neoforge-installer*.jar --installServer from the server directory, then use the generated run.bat or run.sh. Prefer the release’s supplied start script when it exists because it carries the pack’s intended arguments.

Java is wrong or the process exits immediately

Run java -version in the same shell or account that launches the server. Multiple Java installations can cause the script to select an older default. Update the script’s Java path or system environment so it points to the build required by your selected ATM10 Aeronautics release, then launch again.

Linux says permission denied

Run chmod +x startserver.sh, verify that the server directory and its files are readable and writable by the service account, and check that the filesystem is not mounted with execution disabled. Do not solve a permissions problem by running the entire server as root.

The server will not start after networking edits

Stop the process, open server.properties, restore a blank server-ip and return to the host’s normal port unless your network specifically requires another value. Then check the firewall and router separately.

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The client cannot join

  • Compare the client and server Aeronautics release number.
  • Confirm both use Minecraft 1.21.1 and the same NeoForge loader version expected by that release.
  • Reinstall the client pack from the same release page if its files were modified.
  • Read the server and client logs for a missing mod, mismatched registry entry or configuration error.
  • For remote players, test the public address, port forwarding and firewall independently from the mod handshake.

The world or settings disappeared after an update

Stop immediately and do not generate another world with the same name. Restore the pre-update world backup, then repeat the update while keeping custom configuration outside the replacement directories. A clean backup is the recovery point for incompatible world data or an accidental overwrite.

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Final pre-launch checklist

  • The server archive came from the selected release’s Additional Files section.
  • Server and clients match in Aeronautics release, Minecraft 1.21.1, NeoForge and configuration.
  • The server process has at least 6 GB allocated and uses the verified Java runtime.
  • The first installer run completed before the EULA was edited.
  • eula=true is saved, and the server reaches its loaded state on the second launch.
  • server-ip remains blank unless a specific bind address is required.
  • Firewall, router or provider networking has been tested by a normal player account.
  • A copy of world exists outside the live directory before the first update or major configuration change.

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